Dec 19 17:44:36.335 INFO checking droundy/rust-student-pairs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:44:36.335 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/droundy/rust-student-pairs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:44:36.863 INFO [stdout] 1a50cd1893d2a1482fccc670fedf139d43dfdc64b85d13482f06ba39f08aa5c3
Dec 19 17:44:36.865 INFO running `"docker" "start" "-a" "1a50cd1893d2a1482fccc670fedf139d43dfdc64b85d13482f06ba39f08aa5c3"`
Dec 19 17:44:39.312 INFO [stderr]    Compiling proc-macro2 v0.4.15
Dec 19 17:44:39.318 INFO [stderr]    Compiling memchr v2.0.2
Dec 19 17:44:39.318 INFO [stderr]     Checking filetime v0.1.15
Dec 19 17:44:39.318 INFO [stderr]    Compiling brotli-sys v0.2.1
Dec 19 17:44:39.320 INFO [stderr]     Checking base64 v0.7.0
Dec 19 17:44:39.320 INFO [stderr]     Checking tinyset v0.2.2
Dec 19 17:44:39.328 INFO [stderr]    Compiling serde v1.0.75
Dec 19 17:44:39.328 INFO [stderr]     Checking twoway v0.1.8
Dec 19 17:44:42.221 INFO [stderr]     Checking thread_local v0.3.3
Dec 19 17:44:42.224 INFO [stderr]     Checking toml v0.4.6
Dec 19 17:44:42.277 INFO [stderr]     Checking serde_yaml v0.7.5
Dec 19 17:44:42.309 INFO [stderr]     Checking uuid v0.1.18
Dec 19 17:44:42.328 INFO [stderr]    Compiling nom v4.0.0
Dec 19 17:44:45.064 INFO [stderr]     Checking mime v0.2.6
Dec 19 17:44:45.130 INFO [stderr]     Checking chrono v0.4.6
Dec 19 17:44:47.404 INFO [stderr]     Checking state v0.4.1
Dec 19 17:44:49.049 INFO [stderr]     Checking url v0.2.38
Dec 19 17:44:49.146 INFO [stderr]     Checking term v0.2.14
Dec 19 17:44:49.812 INFO [stderr]     Checking num v0.1.42
Dec 19 17:44:50.456 INFO [stderr]     Checking gzip-header v0.1.2
Dec 19 17:44:52.016 INFO [stderr]     Checking internment v0.3.6
Dec 19 17:44:54.512 INFO [stderr]     Checking chrono v0.2.25
Dec 19 17:44:54.536 INFO [stderr]     Checking deflate v0.7.18
Dec 19 17:44:54.650 INFO [stderr]     Checking mime_guess v1.8.6
Dec 19 17:44:58.453 INFO [stderr]    Compiling quote v0.6.8
Dec 19 17:44:59.886 INFO [stderr]     Checking multipart v0.13.6
Dec 19 17:45:01.216 INFO [stderr]    Compiling syn v0.14.9
Dec 19 17:45:01.289 INFO [stderr]     Checking tiny_http v0.5.9
Dec 19 17:45:05.364 INFO [stderr]     Checking brotli2 v0.2.2
Dec 19 17:45:16.261 INFO [stderr]    Compiling serde_derive v1.0.75
Dec 19 17:45:30.390 INFO [stderr]    Compiling askama_shared v0.7.1
Dec 19 17:45:30.390 INFO [stderr]     Checking rouille v2.1.0
Dec 19 17:45:32.292 INFO [stderr]    Compiling askama_derive v0.7.1
Dec 19 17:45:43.720 INFO [stderr]    Compiling askama v0.7.1
Dec 19 17:45:44.472 INFO [stderr]    Compiling rust-student-pairs v0.1.0 (/opt/crater/workdir)
Dec 19 17:45:47.619 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:45:47.619 INFO [stderr]  --> src/main.rs:3:1
Dec 19 17:45:47.619 INFO [stderr]   |
Dec 19 17:45:47.619 INFO [stderr] 3 | #[macro_use]
Dec 19 17:45:47.619 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:45:47.619 INFO [stderr]   |
Dec 19 17:45:47.619 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:45:47.619 INFO [stderr] 
Dec 19 17:45:47.668 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:45:47.668 INFO [stderr]  --> src/main.rs:3:1
Dec 19 17:45:47.668 INFO [stderr]   |
Dec 19 17:45:47.668 INFO [stderr] 3 | #[macro_use]
Dec 19 17:45:47.668 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:45:47.668 INFO [stderr]   |
Dec 19 17:45:47.668 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:45:47.668 INFO [stderr] 
Dec 19 17:45:51.521 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
Dec 19 17:45:52.698 INFO running `"docker" "inspect" "1a50cd1893d2a1482fccc670fedf139d43dfdc64b85d13482f06ba39f08aa5c3"`
Dec 19 17:45:53.078 INFO running `"docker" "rm" "-f" "1a50cd1893d2a1482fccc670fedf139d43dfdc64b85d13482f06ba39f08aa5c3"`
Dec 19 17:45:53.476 INFO [stdout] 1a50cd1893d2a1482fccc670fedf139d43dfdc64b85d13482f06ba39f08aa5c3